Tire tread



FIG. 1 is a perspective view of a tire tread showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof on a reduced scale; and,

FIG. 4 is a front elevational view of a tire tread showing a second embodiment of our new design, it being understood that a view from the side is the same as that of the first embodiment as shown in FIG. 3.

The tread pattern is understood to be repeated throughout the circumference of both embodiments of the tire tread.

The broken line showing of the tire sidewall in FIGS. 1 and 3 of the drawing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 